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| Position: Chinese Standard in English/ZB Y 021-1981 |
| ZB Y 021-1981 (English Version) | |||
| Standard No.: | ZB Y 021-1981 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | Price(USD): | remind me the price change | |
| Implemented on: | 1991-1-1 | Delivery: | |
| Standard No.: | ZB Y 021-1981 |
| Chinese Name: | 气动浮筒式液位仪表 |
| Chinese Classification: | N12 Flow capacity and material level instrument |
| Professional Classification: | ZB |
| Implemented on: | 1991-1-1 |
| Status: | superseded |
| Superseded by: | GB/T 13969-1992 Displacement type level instruments |
| Superseded on: | 1993-7-1 |
| Language: | English |
| File Format: |